a wrench for turning a tap-tool.

A wrench for separating the coupling of iron boring-rods; a spanner. Obsolete. rare.

An adjustable wrench for holding screw-cutting dies.

a tool used to insert a stud bolt which consists of a metal block that, by means of a threaded hole running through it, can be attached to the bolt…

a wrench equipped with a set of detachable sockets of different sizes.

A proprietary name designating a type of small wrench or key which fits and turns an Allen screw (see sense 1), being typically L-shaped with a…

(a) a tool for screwing and unscrewing nuts on the wheel of a vehicle; (b) a kind of hand drill worked by the turning of a wheel.

In various transferred and technical applications. Oil Industry. A large pipe wrench used for making up or breaking out lengths of pipe or casing.

A tool designed for tightening or loosening nuts (nut, n.1 17), resembling a screwdriver but having a suitably shaped socket rather than a blunt end.

(see quots. 1939 1960).

a device to set and adjust the tension of nuts and bolts.

a power tool for tightening nuts.

A proprietary name for: a self-locking wrench or clamp. Frequently in Mole grip, Mole wrench.

a key for tightening roller-skates.